﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
<div id=t></div>
<div id=r></div>
<script type ="text/javascript">
    Object.prototype.box = function() {
        alert("Ojbect box");
    }
    Element.prototype.box = function() {
        alert(this.innerHTML);
    }
    function t() { };
    t.box();
    
</script>
</body>
</html>
